142224140340 has 72 divisors (see below), whose sum is σ = 431467964928. Its totient is φ = 37921625280.

The previous prime is 142224140339. The next prime is 142224140369. The reversal of 142224140340 is 43041422241.

142224140340 is a `hidden beast` number, since 1 + 42 + 2 + 241 + 40 + 340 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1506325 + ... + 1597955.

It is an arithmetic number, because the mean of its divisors is an integer number (5992610624).

Almost surely, 2^142224140340 is an apocalyptic number.

142224140340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142224140340 is an abundant number, since it is smaller than the sum of its proper divisors (289243824588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142224140340 is a wasteful number, since it uses less digits than its factorization.

142224140340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100269 (or 100264 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 142224140340 its reverse (43041422241), we get a palindrome (185265562581).

The spelling of 142224140340 in words is "one hundred forty-two billion, two hundred twenty-four million, one hundred forty thousand, three hundred forty".